distance between two places A and B on road is 70 km. A car starts from A and other from B. If they travel in same direction, they will meet after 7 hours. If they travel towards each other they will meet after 1 hour, then find their speed?
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Answered by
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Point A and B cars speed be A km/hr and B km/hr respectively
they travel in same direction
they meet in 7hr
Point A and B are 70 km apart
7A=7B+70
A=B+10
they travel toward each other
they meet in 1hr
Point A and B are 70 km apart
A+B=70
keeping the value for A
B+B+10=70
A=40km/hr
B=30km/hr
they travel in same direction
they meet in 7hr
Point A and B are 70 km apart
7A=7B+70
A=B+10
they travel toward each other
they meet in 1hr
Point A and B are 70 km apart
A+B=70
keeping the value for A
B+B+10=70
A=40km/hr
B=30km/hr
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Answered by
21
Answer:Point A and B cars speed be A km/hr and B km/hr respectively
they travel in same direction
they meet in 7hr
Point A and B are 70 km apart
7A=7B+70
A=B+10
they travel toward each other
they meet in 1hr
Point A and B are 70 km apart
A+B=70
keeping the value for A
B+B+10=70
A=40km/hr
B=30km/hr
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